Sadykov, Rustam Max Planck Institute for Mathematics, Max Planck Society;
Sadykov_obstructions_2010.pdf (beliebiger Volltext), 259KB
Sadykov, R., Saeki, O., & Sakuma, K. (2010). Obstructions to the existence of fold maps. Journal of the London Mathematical Society. Second Series, 81(2), 338-354. doi:10.1112/jlms/jdp072.